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Hum Mutat. 2009 Dec;30(12):E1010-20. doi: 10.1002/humu.21128.

ssSNPTarget: genome-wide splice-site Single Nucleotide Polymorphism database.

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Korean BioInformation Center (KOBIC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Korea.


Deep sequencing has shown that over 90% of human genes undergo alternative splicing. The splicing process requires exon-intron boundary recognition. SNPs located in the boundaries (splice sites) influence exon configuration. Also, splice site SNPs (ssSNPs) alter translation efficiency of the mRNA and lead to important changes in disease susceptibility. We developed the ssSNPTarget database to provide ssSNPs on human and mouse genes. It includes: 1) ssSNP distribution information in human and mouse genes; 2) effects of SNPs in splice sites: junction strength change, protein domain change, and alternative splicing events (exon skipping, 5'- or 3'-exon extension); 3) splice site conservation in eukaryotes; and 4) associated disease information derived from OMIM, GAD, and HGMD. ssSNPTarget contains 1,576 human ssSNPs associated with 1,193 genes and 538 mouse ssSNPs associated with 281 genes. Users can query ssSNPTarget with several types of search terms (gene symbol, SNP rs number, transcript ID, or genomic position), and the information can be accessed at or

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